package com.huangcy.gulimall.member.exception;

/**
 * @program: gulimall
 * @description:
 * @author: huangcy
 * @create: 2022-08-26 15:06
 **/
public class UserNameExistException extends RuntimeException {

    public UserNameExistException() {
        super("用户名存在");
    }
}
